US COAST GUARD
Mortimer A O'Sullivan
July 26, 1926—September 24, 2018
QM3
Life Timeline
92 years1926
Born
July 26, 1926
US COAST GUARD
Service Record
World War II
World War II
Conflict
QM3
2018
Passed Away
September 24, 2018
Service Record
Verified fields from cemetery source data.
Branch
US COAST GUARD
Rank
QM3
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more